"When a woman cheats on you with one man, I can live with that. People make mistakes, trust me. I have forgiven numerous times," Kardashian wrote. "But when a woman disrespects herself by messing with more than 20 men all while being in a relationship with a faithful man . . . "

Mused the E! standout, "I just don't get how a woman can do that to her body. And your career hasn't even launched yet. I don't put up with sloppiness. LOYALTY. This is a lesson to all the young women out there to not have unprotected sex with multiple men, especially while in a relationship."

Although he declined to ID the woman who had done him wrong, the Twitter-sphere was quickly abuzz with speculation that Kourtney, Kim and Khloe's younger brother was attacking British pop star Rita Ora.